Prep Time: 25 Minutes
Cook Time: 1 hour 10 minutes
Total Time: 1 hour 35 minutes
Yield: 12-16 slices
Ingredients
- 1 lb. butter (4 sticks)
- 1 lb. powdered sugar (16 oz)
- 4 eggs, plus 4 egg whites
- 1 Tbsp. Spice Islands® Pure Vanilla Extract
- 2 3/4 C. all-purpose flour
- 1 Tbsp. Clabber Girl® Baking Powder